
\begin{table}[htb]
\caption{Robustness check for hypothesis: 2: Alternative STC measures}
\begin{center}
\scalebox{0.85}{
\begin{tabular}{l D{.}{.}{5.5} D{.}{.}{5.5} D{.}{.}{5.5}}
\hline
 & \multicolumn{1}{c}{Net STC} & \multicolumn{1}{c}{Sym. STC} & \multicolumn{1}{c}{Add. STC} \\
\hline
$\Delta$ STC Stable                                          & 0.84        & 0.42        & -0.46       \\
                                                             & (0.65)      & (0.64)      & (0.67)      \\
$\Delta$ STC Increase                                        & 0.65        & 0.27        & 0.04        \\
                                                             & (0.58)      & (0.58)      & (0.58)      \\
Clarity of responsibility: High                              & 0.96        & 1.33        & -0.15       \\
                                                             & (1.03)      & (1.03)      & (1.07)      \\
$\Delta$ STC Stable $\times$ Clarity of responsibility: High & 2.56^{**}   & 2.20^{**}   & 4.03^{***}  \\
                                                             & (1.11)      & (1.10)      & (1.18)      \\
$\Delta$ STC Stable $\times$ Clarity of responsibility: High & 0.85        & 0.40        & 2.21^{**}   \\
                                                             & (0.99)      & (1.00)      & (1.01)      \\
(Intercept)                                                  & -6.61^{***} & -6.36^{***} & -5.96^{***} \\
                                                             & (1.27)      & (1.28)      & (1.28)      \\
\hline
AIC                                                          & 18535.81    & 18542.09    & 18536.90    \\
BIC                                                          & 18588.22    & 18594.50    & 18589.31    \\
Log Likelihood                                               & -9258.90    & -9262.05    & -9259.45    \\
N                                                            & 2498        & 2498        & 2498        \\
Group: Parties                                               & 79          & 79          & 79          \\
Group: Country                                               & 29          & 29          & 29          \\
Var. Party                                                   & 25.34       & 25.27       & 24.94       \\
Var. Country                                                 & 26.29       & 26.65       & 27.09       \\
Var. Residuals                                               & 90.26       & 90.49       & 90.32       \\
\hline
\multicolumn{4}{l}{\scriptsize{\parbox{\linewidth}{$^{***}p<0.01$; $^{**}p<0.05$; $^{*}p<0.1$. Entries are unstandardised coefficients from a linear mixed-effects model with random intercepts at the country- and party-level. Standard errors in brackets.}}}
\end{tabular}
}
\label{TableD2}
\end{center}
\end{table}
